Finding the Fourth Proportional to 21,725.34, 32,552.16 and 19,909.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,725.34 : 32,552.16 = 19,909.56 : x
2. Step 2: Convert to fraction form
   21,725.34/32,552.16 = 19,909.56/x
3. Step 3: Cross multiply
   21,725.34x = 32,552.16 × 19,909.56
4. Step 4: Simplify right side
   21,725.34x = 648,099,182.65
5. Step 5: Solve for x
   x = 648,099,182.65/21,725.34
6. Step 6: Final answer
   x = 29,831.49